Home / 371,884.28-513,200.37-202,118.41

Finding the Fourth Proportional to 371,884.28, 513,200.37 and 202,118.41

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Solution

The fourth proportional to 371,884.28, 513,200.37 and 202,118.41 is: 278,923.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,884.28 : 513,200.37 = 202,118.41 : x
  2. Step 2: Convert to fraction form
    371,884.28/513,200.37 = 202,118.41/x
  3. Step 3: Cross multiply
    371,884.28x = 513,200.37 × 202,118.41
  4. Step 4: Simplify right side
    371,884.28x = 103,727,242,795.81
  5. Step 5: Solve for x
    x = 103,727,242,795.81/371,884.28
  6. Step 6: Final answer
    x = 278,923.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.